package com.tengfei.main;

/**
 * @author feige
 * @version v1.0
 * @date 2022-10-27-21:27
 * @description
 */
public class PersonDemo {

    public static void main(String[] args) {

    }

}

class Person{
    
}

class T extends Person{

}

class S extends Person{

}
